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Welch™ DryFast™ and DryFast Ultra™ Chemical Duty Vacuum Pumps

Designed for use with rotary evaporators, concentrators and vacuum ovens

Manufacturer:  Welch™ 2034B01

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Catalog No. 01-257-502


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Specifications

Description

Use these oil-free DryFast vacuum pumps for applications requiring chemical resistance. DryFast pumps provide mid-range vacuum (2 to 79 torr) with easy adjustment and low maintenance. Flow rates from 25 to 70 L/min). Select a DryFast model to suit your application needs:

Applications
  • Rotary Evaporation to 40°C atmospheric B.P.: 2014B-01 (1-head design)
  • Rotary Evaporation to 100°C atmospheric B.P.: 2034B-01, 2044B-01
  • Rotary Evaporation to 40°C atmospheric B.P.: 2032B-01, 2042B-01
  • Vacuum Filtration to 2 funnels: 2014B-01 (1-head design)
  • Vacuum Filtration to 6 funnels: 2037B-01, 2047B-01
  • Vacuum Ovens to 1.5 ft³: 2042B-01
  • Vacuum Ovens to 4.5 ft³: 2047B-01

Design Advantages
  • PTFE / fluorinated contact surfaces
  • Efficient 2-head diaphragm design reduces maintenance
  • Advanced Vapor Management knob for easy vacuum adjustment
  • Compact, portable, quiet
  • Readily connects using ¼ in. ID tubing
  • All listed models 115V 60 Hz
Description & Specifications

Specifications

115V 60Hz
0.63cm
PTFE, Perfluoroelastomer
21.25 lb.
25L/min.
0.2hp
60Hz
8.8 in.
6.8 in.
35.2cm
11.3kg
CE, CSA
0.25 in.
Rotary Evap. BP to 100°C
2034
9.6kg
9 torr
115V
PTFE
22.3cm
13.8 in.
25 lb.
Pump, 6 ft powercord and plug (115V US standard)
Accessories
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